Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
09/1977
09/13/1977US4048556 Method for evaluating electrode consumption rate
09/13/1977US4048377 Dried rehydratable film containing agarose or gelose and process for preparing same
09/13/1977US4048049 Tube gel electrophoresis device
09/13/1977US4048041 Electronic system for providing specificity in an electrochemical analytical device
09/13/1977US4047893 Apparatus for measuring the alcohol content in human breath
09/06/1977US4047105 Method and apparatus for providing an output indication proportional to the moisture content of particulate material
09/06/1977US4047101 Filament for alkali metal ionization detector
09/06/1977US4047100 Meter for measuring syrup ratio in soft drinks and the like
09/06/1977US4047099 Method and apparatus for determining boiler water conductivity
09/06/1977US4046667 Microelectrophoresis apparatus
09/06/1977US4046661 Ceramic oxygen probe
08/1977
08/30/1977US4045764 Gas-sensing material
08/30/1977US4045729 Gas detector
08/30/1977US4045725 Rotating asymmetric electrode for measuring characteristics of electrochemical cells
08/30/1977US4045319 Solid electrolyte, palladium-palladium oxide redox couple
08/30/1977US4045300 Method for reducing the response time in oxygen measuring probes
08/30/1977US4045296 Rate sensing batch analysis method and enzyme used therein
08/30/1977US4045178 Gamma-ferric oxide and metal oxide additive
08/30/1977US4045177 Apparatus for detecting combustible gases
08/30/1977US4044607 Grain moisture measurement probe
08/30/1977US4044601 Smoke and gas sensor element
08/23/1977US4044262 Ionization smoke sensor
08/23/1977US4043895 For colloids such as blood plasma protein, controlled and balanced fluid flow
08/23/1977US4043890 Electrochemical cell, reaction of carbon element to provide carbon monoxide equilibrium
08/16/1977US4042877 Inspection apparatus and method for detecting flaws in serially fed substantially cylindrical objects
08/16/1977US4042465 Measurement of oxygen in a fluid sample and apparatus therefor
08/16/1977US4042464 Method for the detection and measurement of noxious gases
08/16/1977US4042427 Nitridation of iron and iron alloys
08/16/1977US4042331 Process for the determination of the boron contents of pure halogensilanes
08/16/1977US4041933 Electrode for polarographic measurements in physiological media
08/16/1977US4041768 Device for measuring the mass of particles of an aerosol per volume unit
08/09/1977US4041437 Humidity sensor
08/09/1977US4041379 Apparatus for testing metal blanks utilizing at least one inspecting head moved along the surface thereof
08/09/1977US4041376 Detector for detecting the state of electrically non-conductive or substantially electrically non conductive fluid
08/09/1977US4041375 Apparatus for measuring content of moving dielectric materials moisture
08/09/1977US4040940 Electrophoretic fractional elution apparatus employing a rotational seal fraction collector
08/09/1977US4040931 Corrosion ratemeter
08/09/1977US4040930 Oxygen sensor
08/09/1977US4040929 Oxygen sensor having thin film electrolyte
08/09/1977US4040928 Specific ion sensor and method of manufacture
08/09/1977US4040908 Conversion by enzymes to hydrogen peroxide
08/02/1977US4039942 System for sensing electrical potential particularly in plants
08/02/1977US4039941 Gas sensor
08/02/1977US4039939 Moisture measuring apparatus
08/02/1977US4039934 Method of and apparatus for measuring ionic electric conductance of objects
08/02/1977US4039933 Continuous calibration system and method for analytical instruments
08/02/1977US4039852 Exhalation inspecting apparatus
08/02/1977US4038864 Hydrocarbon measurement
07/1977
07/26/1977US4038158 Electrochemical generation of field desorption emitters
07/26/1977US4038050 Electrical sensing and regenerating system for molecular sieve driers
07/26/1977US4038034 Air-fuel ratio sensing device for internal combustion engine
07/26/1977US4037773 Bonding of metals to solid electrolytes
07/19/1977US4037106 Ionization-type fire or smoke sensing system
07/19/1977US4036777 Mass spectrometry
07/19/1977US4036724 Electrochemical cell
07/19/1977US4036722 Respirometer
07/19/1977US4036592 Combustion in the presence of platinum-rhodium alloy catalyst
07/19/1977US4036373 Automatic inspection apparatus
07/12/1977US4035721 System and method using magnetic tape for testing of small cylindrical parts
07/12/1977US4035719 Conductivity cell
07/12/1977US4035696 Apparatus for monitoring machine parts subject to wear
07/12/1977US4035377 Slab gel electrophoresis apparatus
07/12/1977US4035277 Oxygen probe
07/05/1977US4034286 Device for detecting a failure in an insulation system
07/05/1977US4033830 On-line amperometric analysis system and method incorporating automatic flow compensation
07/05/1977US4033777 Tantalum oxide
07/05/1977US4033170 Apparatus for mounting exhaust gas sensor
07/05/1977US4033169 Hydrocarbon concentration sensor for use in engine exhaust gas
06/1977
06/28/1977US4032856 Drift compensated amplifier, particularly for measuring signals
06/28/1977US4032782 Temperature stable multipole mass filter and method therefor
06/28/1977US4032296 Electrolytic conductivity detector system
06/28/1977US4031753 Total water content instrument
06/28/1977US4031752 Web process control apparatus
06/28/1977US4031747 Misfire monitor for engine analysis having automatic rescaling
06/28/1977US4031606 Method of making a combination ion responsive and reference electrode
06/21/1977US4030995 Agarose gel, 5-bromo-4-chloro-3-indolyl phosphate
06/21/1977US4030979 Method of detecting hydrogen-producing bacteria
06/21/1977US4030346 Magnetoelastic transducer arrangement
06/21/1977US4030340 Hydrogen gas detector
06/14/1977US4029959 Plant light sensor adaptor
06/14/1977US4029889 Fluid-leak detector cable
06/14/1977US4029563 Electrochemical measuring cell
06/14/1977US4029554 Lubricating quality, voltage
06/07/1977US4028642 Circuit for converting a temperature dependent input signal to a temperature independent output signal
06/07/1977US4028618 Circuit for monitoring the conductivity of a solution
06/07/1977US4028617 Ionization detector utilizing electric discharge
06/07/1977US4028207 Measuring arrangements
06/07/1977US4028197 Method for monitoring available chlorine in swimming pools
06/07/1977US4028196 PH Responsive glass compositions and electrodes
06/07/1977US4028057 Gas analyzer
05/1977
05/31/1977US4027238 Method and apparatus for the moisture measurement of flat structures, especially textile webs
05/31/1977US4027233 Contactless inductance pickup for detecting the interface of two media
05/31/1977US4026774 Coulometric measuring method
05/31/1977US4026668 Control apparatus for silver halide emulsion making
05/24/1977US4025892 Probe for detecting gaseous polar molecules such as water vapor
05/24/1977US4025794 Ionization detectors with iron-55 as a radioactive source
05/24/1977US4025412 Reference electrode incorporating a hydrogen storage buffering system
05/24/1977US4025308 Electroseparative cell, microporous filter membrane
05/24/1977US4024883 Flow additive suspension system
05/17/1977US4024470 Eddy current detector for hot test pieces having coolant fluid and purge features